Polycarbonate capped with phenolic chain terminator mixture

Details Polycarbonate capped with phenolic chain terminator mixture Polycarbonate capped with phenolic chain terminator mixture

1989-03-23

1990-12-11

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

524611, 525463, 528196, 528480, 528502, C08G 6414

Patent

active

049772333

ABSTRACT:
A polycarbonate having a principal chain comprising a repeating unit represented by the formula: ##STR1## (a) a substituted phenoxy group represented by the formula (II) ##STR2## (wherein A is as defined in the appended specification) and (b) p-tert-butyl phenoxy group represented by the formula (III) ##STR3## and/or the phenoxy group represented by the formula (IV) ##STR4## bonded to the terminals thereof in the ratio of (a) 10 to 99 mole percent of the said substituted phenoxy group, and (b) 90 to 1 mole percent of p-tert-butylphenoxy group and/or phenoxy group. This polycarbonate has so high a fluidity and an impact resistance that it is moldable into thin or complex shapes.

REFERENCES:
patent: 4269964 (1981-05-01), Freitag et al.
patent: 4774315 (1988-09-01), Miller
patent: 4775739 (1988-10-01), Hasuo et al.

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